Persistence

名词 n. 1.坚持不懈;执意;执着,持续;留存 The persistence of a cough in his daughter puzzled him.他女儿持续的咳嗽把他难住了。By sheer persistence, I eventually got her to change her mind.我全凭坚持不懈最终使她改变了主意。He achieved success through dogged persistence.他靠着坚持不懈取得了成功。2.继续存在,持续存在；维持